Seamless Steel Pipe L & M & H Boiler Tube GB3087 China supplier

Seamless Steel Pipe L & M & H Boiler Tube GB3087 China supplier

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 9000 m.t./month

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Product Description:

1、Structure of Seamless Steel Pipe GB3087:

Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types.

Standard: GB3087: Seamless Steel Tubes for Low and Medium Pressure Boiler
● Application: For manufacturing heating-pipelines, containers, steaming pipelines of low or medium pressure
boilers (p≤450℃, work pressure ≤5.88 Mpa)

2、‍‍Main Features of Seamless Steel Pipe GB3087:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price

3、Seamless Steel Pipe GB3087

Specification：

Standard	GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007
Grade	10#-45#, 16Mn 10#, 20#, 45#, 16Mn
Thickness	8 - 33 mm
Section Shape	Round
Outer Diameter	133 - 219 mm
Place of Origin	Shandong, China (Mainland)
Secondary Or Not	Non-secondary
Application	Hydraulic Pipe
Technique	Cold Drawn
Certification	API
‍Surface Treatment	factory state or painted black
‍Special Pipe	API Pipe
Alloy Or Not	Non-alloy
Length	5-12M
Outer Diameter	21.3-610mm
Grade	20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B
Standard	ASME, ASTM

1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip.

4、Packaging & Delivery

Packaging Details:	seaworthy package,bundles wrapped with strong steel strip
Delivery Detail:	15-30days after received 30%TT

5、FAQ of Seamless Steel Pipe APL SPEC 5CT:

①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How about price
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

● Professional teams ensure a high efficiency of your purchase

▲ Professional sales team
▲ Professional engineering and technology team
▲ Professional exportation and contract processing/management team
▲ Professional cooperators and partners

6、‍‍Seamless Pipe GB3087 Images：

Seamless Steel Pipe L & M & H Boiler Tube GB3087 China supplier

Q: What are steel pipes used for?: Steel pipes find extensive use in a diverse range of industries, serving various purposes. Among the most prevalent applications, steel pipes are commonly employed for the transportation of fluids and gases. In oil and gas pipelines, for instance, steel pipes are utilized to convey oil, natural gas, and other petroleum products across long distances. Additionally, steel pipes are utilized in domestic and industrial water supply systems. Within the construction industry, steel pipes play a pivotal role in structural tasks, offering exceptional strength and durability. Consequently, steel pipes are highly suitable for the construction of buildings, bridges, and other infrastructure projects. Due to their capacity to withstand heavy loads and provide stability, steel pipes are also employed in the construction of high-rise buildings. Moreover, the manufacturing industry heavily relies on steel pipes. These pipes are utilized in the production of machinery, equipment, and vehicles. In bulk handling systems, steel pipes are commonly employed to transport materials like coal, ore, and grain. Furthermore, steel pipes contribute to the manufacturing of automotive components such as exhaust systems, chassis, and suspension parts. In the energy sector, steel pipes serve a multitude of purposes. For instance, they are employed in power plants for the transportation of steam and hot water, as well as in the production and distribution of electricity. Additionally, steel pipes are utilized in the renewable energy sector, particularly in the construction of wind turbine towers and solar panel frameworks. In addition to these primary applications, steel pipes are also utilized in plumbing systems, irrigation systems, and the construction of fences and railings. Their versatility allows for customization, meeting specific requirements in terms of size, thickness, and coating. Ultimately, steel pipes fulfill an indispensable role across numerous industries, facilitating the transport of fluids, the construction of infrastructure, and the manufacturing of various products. Their strength, durability, and adaptability make them a preferred choice among engineers and professionals in various fields.

Q: What are the different types of steel pipe reducers?: Various industrial applications commonly use different types of steel pipe reducers. These reducers facilitate the connection between pipes of varying sizes, ensuring a smooth transition in fluid or gas flow. The following are some of the most frequently encountered types: 1. Concentric Reducers: These reducers possess a symmetrical design with a centerline that aligns with both the larger and smaller pipes' centerlines. They facilitate a gradual reduction in pipe size, ensuring a seamless material flow. 2. Eccentric Reducers: In contrast to concentric reducers, eccentric reducers have an offset centerline. This design is beneficial in preventing the accumulation of air or gases in the piping system. The eccentric reducer directs any gas or air towards a vent or drain point. 3. Welded Reducers: These reducers are created through the welding of two pipes of different sizes. They are frequently used in situations that require a permanent connection. 4. Seamless Reducers: Seamless reducers are manufactured without any welded joints. They are crafted from a single piece of steel, enhancing their strength and durability. Seamless reducers are often preferred in applications where leak-proof connections are crucial, such as high-pressure or high-temperature environments. 5. Threaded Reducers: These reducers have male and female threads on both ends, allowing for easy installation and removal. They are commonly used in low-pressure applications and are a cost-effective option for systems that require frequent disassembly. 6. Flanged Reducers: Flanged reducers possess flanges on both ends, which are bolted together to create a secure seal. They are frequently used in piping systems that require convenient access for maintenance or inspection. Each type of steel pipe reducer offers its own unique advantages and is selected based on the specific requirements of the application. Factors such as the transported fluid or gas type, pressure and temperature conditions, and the need for easy installation or maintenance should be considered when choosing the appropriate reducer for a particular system.

Q: How do you calculate the flow velocity in a steel pipe?: In order to determine the flow velocity in a steel pipe, one must take into account the principles of fluid mechanics and apply relevant equations. The Bernoulli equation is the most commonly used equation for this purpose, as it establishes a relationship between the pressure, velocity, and elevation of a fluid. The first step is to ascertain the volumetric flow rate (Q) of the fluid that passes through the pipe. This can be achieved either by measuring the mass flow rate (m) or by directly measuring the volumetric flow rate using a flow meter. Once the volumetric flow rate is obtained, the flow velocity (V) can be calculated. To calculate the flow velocity (V), divide the volumetric flow rate (Q) by the cross-sectional area (A) of the pipe. The cross-sectional area of the pipe can be determined using the formula A = πr^2, where r represents the radius of the pipe. Hence, the formula to calculate the flow velocity (V) in a steel pipe is: V = Q / A It is important to note that this calculation assumes an ideal flow condition and does not take into account any frictional losses or other factors that could impact the flow. In real-world scenarios, it is crucial to consider additional factors such as pipe roughness, fluid viscosity, and pipe diameter to obtain a more accurate estimation of the flow velocity.

Q: What are the different types of steel pipe supports?: There are several different types of steel pipe supports, including pipe hangers, pipe clamps, pipe shoes, and pipe saddles. These supports are used to secure and stabilize pipes in various applications, such as plumbing, HVAC systems, and industrial piping systems.

Q: Is the diameter of the steel tube indicated by the outer diameter by the wall thickness or by the inside diameter by the wall thickness?: The specification for steel tubes is the outer diameter multiplied by the wall thickness.Generally speaking, the diameter of the pipe can be divided into outer diameter (De), inner diameter (D) and nominal diameter (DN).

Q: How are steel pipes used in the manufacturing of wind turbines?: Steel pipes are used in the manufacturing of wind turbines primarily for constructing the tower, which provides structural support and stability to the turbine. These steel pipes are typically large in diameter to withstand the strong winds and carry the weight of the turbine components. Additionally, steel pipes are also utilized for the transmission of electrical cables within the turbine, ensuring efficient power generation.

Q: What are the different types of steel pipe coatings for offshore applications?: There are several types of steel pipe coatings commonly used for offshore applications. These include fusion-bonded epoxy (FBE) coatings, three-layer polyethylene (3LPE) coatings, three-layer polypropylene (3LPP) coatings, and concrete weight coatings. Each of these coatings offer different levels of protection against corrosion and abrasion in offshore environments, and the choice of coating depends on factors such as the specific offshore application, the surrounding environment, and the durability requirements.

Q: How do you remove rust from steel pipes?: There exist several methods to eliminate rust from steel pipes: 1. Employ a wire brush or steel wool: Initiate the process by vigorously scrubbing the rusted areas with either a wire brush or steel wool. This action will effectively detach loose rust and flakes from the pipe's surface. 2. Administer vinegar or lemon juice: Immerse a cloth or sponge in white vinegar or lemon juice and generously apply it onto the rusted sections. Allow it to remain undisturbed for several hours or, preferably, overnight. The acidic properties of these substances facilitate the dissolution of the rust. 3. Utilize a rust remover or converter: Numerous rust remover products are readily available on the market. Adhere to the product's instructions and apply it to the affected regions. Typically, these solutions transform rust into a water-soluble compound that can be effortlessly rinsed away. 4. Employ a paste comprising baking soda and water: Combine baking soda with water, creating a thick paste. Apply this paste onto the rusted areas and allow it to sit for a few hours. Proceed to scrub the region using a brush or steel wool before rinsing it off. 5. Experiment with a commercially manufactured rust dissolver: Should the aforementioned approaches fail to yield satisfactory results, it may be worth considering the use of a commercial rust dissolver. These products are specifically designed to eradicate rust from various surfaces, including steel pipes. Comply with the manufacturer's instructions accordingly. Kindly remember to equip yourself with protective gloves, goggles, and a mask when handling rust removal products, as they possess corrosive properties and may release toxic fumes. Furthermore, it is advisable to apply a rust-inhibiting primer or paint subsequent to rust removal to prevent future instances of rusting.

Q: How are steel pipes used in the manufacturing of desalination plants?: Steel pipes are used in the manufacturing of desalination plants for various purposes such as transporting seawater, brine, and treated water within the plant. They provide durability, corrosion resistance, and the necessary strength to withstand high-pressure conditions, ensuring the efficient operation and long-term reliability of the desalination process.

Q: Fastener type steel pipe scaffold steel pipe wall thickness: The scaffold steel pipe shall be made of 48.3 * 3.6 steel tube. The maximum mass of each steel tube shall not be greater than 25.8kg.Fastener type steel pipe scaffold: for building construction and build, bear the load by the fastener and steel pipe and other scaffolding and support frame, collectively referred to as scaffolding. The fastener is a fastening piece which is fastened by bolts.

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